The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Dec. 15, 2009
Filed:
Apr. 04, 2006
Maurizio Gazzola, Milan, IT;
Ronald Dale Johnson, Jr., San Ramon, CA (US);
David Bianchi, Cambiago, IT;
Jeffrey Douglas Maddox, McKinney, TX (US);
Luca Della Chiesa, Concorezzo, IT;
Maurizio Gazzola, Milan, IT;
Ronald Dale Johnson, Jr., San Ramon, CA (US);
David Bianchi, Cambiago, IT;
Jeffrey Douglas Maddox, McKinney, TX (US);
Luca Della Chiesa, Concorezzo, IT;
Cisco Technology, Inc., San Jose, CA (US);
Abstract
Methods and apparatus for allowing a dense wave division multiplexing (DWDM) line card w to function as an add/drop multiplexer (ADM), a transponder, and a muxponder are disclosed. According to one aspect of the present invention, a line card suitable for use in a network to aggregate signals of different line rates for transport includes a first arrangement having ADM functionality, a second arrangement having transponder functionality, and a third arrangement having muxponder functionality. The line card also includes hardware that facilitates communication between the arrangements, as well as a plurality of ports arranged to receive a signal and to provide the signal to the hardware.